4000044057 has 8 divisors (see below), whose sum is σ = 5565278784. Its totient is φ = 2550752688.

The previous prime is 4000043923. The next prime is 4000044077. The reversal of 4000044057 is 7504400004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4000044057 - 2¹¹ = 4000042009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4000044077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28985758 + ... + 28985895.

It is an arithmetic number, because the mean of its divisors is an integer number (695659848).

Almost surely, 2^4000044057 is an apocalyptic number.

It is an amenable number.

4000044057 is a deficient number, since it is larger than the sum of its proper divisors (1565234727).

4000044057 is a wasteful number, since it uses less digits than its factorization.

4000044057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57971679.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 4000044057 is about 63245.9015035757. The cubic root of 4000044057 is about 1587.4068799575.

The spelling of 4000044057 in words is "four billion, forty-four thousand, fifty-seven".